package com.sunkingdom.qq.user.service;

import java.util.List;

import org.springframework.transaction.annotation.Transactional;

import com.sunkingdom.qq.user.entity.User;

@Transactional
public interface UserService {
	public User getUserById(Long userId);

	public void addUser(User user);

	public void deleteUserById(Long userId);

	public void modifyUser(User user);

	public List<User> listUsers();
}
